You will find acrylic adhesive is not as sticky to the touch, it needs firm pressure to bond to the surface it's applied to and will need to be left alone for several hours to cure before any weight is added.
3M DOUBLE SIDED STICKY PADS Strong Heavy VHB Adhesive Mounting Tape Square Round
Magnetic Strips with Adhesive Backing 20 Pack Strong Self Sticky Back Magnet
Magnetic Strips with Adhesive Backing,20 Pack Strong Self Sticky Back Magnet Ta
DOUBLE SIDED TAPE 3M Extra Strong, Heavy Duty Adhesive Sticky Tape Black Clear